Two Students Are Standing Next to Each Other on a Level

Multiple Choice

Two students are standing next to each other on a level field. One of the students throws a table tennis ball forward toward a line 2.0 m away. At the same time, the second student throws a bowling ball in the same direction. Both balls take the same time to travel the 2.0 m.
Only the second student feels a noticeable backward push when she throws her ball.
Which of the following statements explains why only the second student feels a noticeable backward push?

A) The bowling ball exerts a much larger reaction force.
B) The bowling ball undergoes a much larger acceleration
C) The bowling ball requires more force to overcome gravity.
D) The bowling ball converts more inertia into kinetic energy