The figure shows the velocity–displacement graph of a particle performing SHM.

Select all that apply

• Option A

  The time period is 1.57 s

• Option B

  The maximum acceleration is 40 cm s⁻²

• Option C

  The velocity is 2√21 cm s⁻¹ when displacement is 1 cm

• Option D

  Minimum acceleration is 4 cm s⁻²