Some students conduct an experiment to prove conservation of momentum. They use two objects that collide. Measurements are taken before and after the collision.

A. The mass and and acceleration of all the system's components.
B. The mass of the heavier and the velocity of the fastest component.
C. The mass and velocity of all the system's components.
D. The mass of the heavier and the acceleration of the fastest component.

C. The mass and velocity of all the system's components.