A Space Exploration Satellite Is Orbiting a Spherical Asteroid Whose

Multiple Choice

A space exploration satellite is orbiting a spherical asteroid whose mass is 4.65 × 10¹⁶ kg and whose radius is 39,600 m, at an altitude of 12,400 m above the surface of the asteroid. Mission Control sends it a signal to fire a short burst of its retro rockets to bring its speed to zero m/s. What is the speed of the satellite when it hits the surface of the asteroid?

A) 6.11 m/s
B) 7.18 m/s
C) 8.29 m/s
D) 5.74 m/s
E) 4.36 m/s