A Satellite Is Placed in a Circular Orbit to Observe

Multiple Choice

A satellite is placed in a circular orbit to observe the surface of Mars from an altitude of 144 km. The equatorial radius of Mars is 3397 km. If the speed of the satellite is 3480 m/s, what is the magnitude of the centripetal acceleration of the satellite?

A) 2.17 m/s²
B) 2.60 m/s²
C) 2.99 m/s²
D) 3.42 m/s²
E) 4.05 m/s²