The Figure Shows a Graph of the Position X of Two

Multiple Choice

The figure shows a graph of the position x of two cars,C and D,as a function of time t.
According to this graph,which statements about these cars must be true? (There could be more than one correct choice. )

A) The magnitude of the acceleration of car C is greater than the magnitude of the acceleration of car D.
B) The magnitude of the acceleration of car C is less than the magnitude of the acceleration of car D.
C) At time t = 10 s,both cars have the same velocity.
D) Both cars have the same acceleration.
E) The cars meet at time t = 10 s.