The displacement-time graph of a particle executing SHM is shown. Which of the following statements is/are true?

Select all that apply

• Option A

  The velocity is maximum at t = T/2

• Option B

  The acceleration is maximum at t = T

• Option C

  The force is zero at t = 3T/4

• Option D

  The potential energy equals the oscillation energy at t = T/2.