A particle moves in a circle of radius $25\, cm$ at two revolutions per second. The acceleration of the particle in $meter/second^2$ is

  • [AIIMS 2012]
  • A

    ${\pi ^2}$

  • B

    $8\,{\pi ^2}$

  • C

    $4\,{\pi ^2}$

  • D

    $2\,{\pi ^2}$

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