You Are on an Airplane Traveling with a Constant Velocity

Multiple Choice

You are on an airplane traveling with a constant velocity at an altitude of 20,000 m. What is the acceleration of gravity at that altitude? The radius of Earth is 6.37 × 10⁶ m.

A) 9.81 m/s²
B) 9.78 m/s²
C) 9.75 m/s²
D) 9.72 m/s²
E) 9.69 m/s²