Without Air Resistance,a Projectile Fired Horizontally at 8 Km/s from a Mountain

Multiple Choice

Without air resistance,a projectile fired horizontally at 8 km/s from a mountain top will

A) accelerate downward at g as it moves horizontally.
B) trace a curve that matches Earth's curvature.
C) return to its starting position and repeat its falling behavior.
D) all the above
E) none of the above