A Satellite Is in Circular Orbit at an Altitude of 1500

Multiple Choice

A satellite is in circular orbit at an altitude of 1500 km above the surface of a nonrotating planet with an orbital speed of 9.2 km/s.The minimum speed needed to escape from the surface of the planet is 14.9 km/s,and G = 6.67 × 10^-11 N • m²/kg².The orbital period of the satellite is closest to

A) 72 min.
B) 65 min.
C) 58 min.
D) 51 min.
E) 44 min.