Help Me Please Fastest Answer Gets 10 Points?

Question

A SPACECRAFT ORBITS A CERTAIN PLANT AT AN ALTITUDE OF 400 MILES AND A SPEED OF 17,500 MPH. THE RADIUS OF THE PLANT IS 4000 MILES. HOW LONG WILL IT TAKE FOR THE SPACECRAFT TO GO AROUND THE PLANT ONE TIME ? GIVE YOUR ANSWER IN HOURS,MINUTES AND SECONDS.SECONDS ARE TO BE ACCURATE TO 1/10,000 SECOND.

Answer 1

What kind of plant is it? A pine tree, rose shrub, a nice hibiscus, perhaps?

Answer 2

that would take less than an hour.