how to find the average velocity between 3 min and 5 min? at 3 min distance is 15 ft and at 5min distance 14ft

Answer 1

velocity = change in distance / time

In this case:
Change in distance = 15 ft - 14 ft = 1 ft
Time = 5 minutes - 3 minutes = 2 minutes

Velocity = 1 ft / 2 min = .5 ft/min