Who was the first to calculate the velocity of light?

Question

Men of older generation used to say that all knowledge is
there in the Vedas. Anyone who hears such words will have
the first reaction that it is an over confident statement.
The Rig Veda Bhashyam by Sayana Madhava gives the following
Sloka praising the Sun:

"Yojanam sahasre dve, satadve, dvecha yojane
Ekena nimeshardhena kramamaana namosthuthe".

Two centuries before him, Adi Kavi Nannaya wrote a Telugu
sloka to give the same meaning.

One Yojana equals 15788.8 meters, and half of Nimesha
equals 8/75 fraction of a second. This gives the velocity
of light as 325940 km/s. We have to remember here that the
above value is an approximate one intended for easy
remembrance, like remembering the value of pi as 22/7. It
is better than the value 215000 km/s given by Danish
astronomer Ole Roemer in 1676. The word
"kramamaana" means that the velocity of light changes
over millions of years, and not an universal constant.
Can any person suggest an experiment to prove this?

The author of this question is researching on the topic
of science and technology in ancient India for more
than two decades, after his doctorate degree in
engineering. In the short space that is provided here,
it is difficult to give all the details. For a person
with a true scientific attitude, the given summary is
sufficient. Such a person will not make a first
reaction comment as 'legend' but tries to find more
details by consulting books written in India related to
the topic. Among all countries in the world, India has
inherited the largest number of ancient manuscripts
from time immemorial. They were written on the widest
range of subjects known to humans. Any Indian who
realises this fact will understand the scientific
process of what is quoted here.

Answer 1

My understanding is that the first Western person to calculate the velocity of light was philosopher and early physicist Andre Des Cartes, the same person who said "Cogito, Ergo Sum," "I think, therefore, I am."

Answer 2

think of of it this form. A black hollow is an exceedingly steep sided and extremely deep properly. gentle that falls into this properly curves to in good condition the form of the properly. although, as a photon, gentle is tormented by means of gravity and at its speed won't be able to gain the ability required to flee the properly so it is going up the different section and curves around and lower back off into the properly. Has it relatively is speed replaced? Who is familiar with what actual rules certainly are at play interior a BH!

Answer 3

You're statement sounds more like legend than reality. It is not recognized in any documents of history. There seems to be no scientific process behind what you quote. If it was some kind of "inspiration", it would have been correct. His number sounds like an incorrect guess.

Answer 4

I can not suggest an experiment , It was just this morning when i began my search on motion that i came across the person's name attached to the calculation of velocity for light, Light . is something i study.

Answer 5

tell me!!i dunno