(PLEASE ANSWER, 100 PTS) On an icy day, a police officer was using his radar gun to catch speeding cars when he witnessed a rear-end collision. The officer drew a diagram of the accident in his police report. A reproduction of it is shown below. In the diagram, each car is represented by a box labeled with the appropriate letter. Car C represents the police officer. There is also some data that has been collected by a team of lawyers hired by the driver of Car A. The driver of Car A claims that he was not speeding at the time of the collision.

Based on the information the officer collected at the scene of the crime write a scientific explanation that determines whether or not Car A was speeding when it collided with Car B.