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
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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- [AIPMT 1990]