The equation of motion of a body in S.H....

The equation of motion of a body in S.H.M. is x=4 `sin(pit+pi/3)`. The acceleration, in `cm//S`, at the end of 4 s will be

A

`3/2pi^2`

B

`2/3pi^2`

C

`-(sqrt2)/3pi^2`

D

`-2sqrt3pi^2`

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The correct Answer is:

D

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