Consider these statements written in ordinary language:
A
The speed of the car is proportional to the distance it has traveled.
B
The car is speeding up.
C
The car is slowing down.
D
The car always travels the same distance in the same time interval.
E
We are driving backwards.
F
Our acceleration is decreasing. Denoting by the distance covered by the car at time , and letting denote a constant, match these statements with the following mathematical statements by entering the letters A through F on the appropriate boxes:
is constant
In order to get credit for this problem all answers must be correct.