If the kinetic energy $(KE)$ of a particle of mass $m$ performing uniform circular motion $(UCM)$ in a circle of radius $r$ is $E$,find the acceleration of the particle.

  • A
    $\frac{2 E}{m r}$
  • B
    $\left(\frac{2 E}{m r}\right)^{2}$
  • C
    $2 E m r$
  • D
    $\frac{4 E}{m r}$

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