Which of the following statements about the motion of an object is correct?

A.
Speed describes how fast something is going, whereas Velocity describes how fast something is going and in which direction.

B.
Velocity describes how fast something is going, whereas Speed describes how fast something is going and in which direction.

C.
Acceleration describes how fast something is going, whereas Velocity describes how fast something is going and in which direction.

D.
Speed describes how fast something is going, whereas Acceleration describes how fast something is going and in which direction.