An astronaut drops a golf ball that is initially at rest from a cliff on the surface of the moon. The ball falls freely under the influence of gravity. Which one of the following statements is true concerning the ball as it falls? Neglect any frictional effects.
A. The ball will gain an equal amount of kinetic energy during each second. B. The ball will gain an equal amount of momentum during each second. C. The ball will gain twice the amount of speed for each meter through which it falls. D. The ball will gain an equal amount of momentum during each meter through which it falls.