A particle moves in a circle of radius $25\, cm$ at two revolutions per second. The acceleration of the particle in $m/{s^2}$ is
A particle moves in a circle of radius $25\, cm$ at two revolutions per second. The acceleration of the particle in $m/{s^2}$ is
- A
${\pi ^2}$
- B
$8{\pi ^2}$
- C
$4{\pi ^2}$
- D
$2{\pi ^2}$
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