$A$ body starts from the origin and moves along the $x$-axis such that its position at any instant is $x = 4t^2 - 12t$,where $t$ is in seconds and $x$ is in meters. What is the acceleration of the particle in $m/s^2$?

  • A
    $4$
  • B
    $8$
  • C
    $24$
  • D
    $0$

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