Use the graphs below for questions 8, 9 and 10.
The graph below shows how displacement varies with time for a particle moving with undamped simple harmonic motion during a particular time interval.

For each of the questions 8 to 10, which of the following graphs best represents the quantities described during the corresponding time interval? Each graph may be used once,
more than once or not at all.

The velocity of the particle.
A
B
C
D