The displacement of a particle,moving in a straight line,is given by $s = 2t^2 + 2t + 4$,where $s$ is in metres and $t$ is in seconds. The acceleration of the particle is ........ $m/s^2$.

  • A
    $2$
  • B
    $4$
  • C
    $6$
  • D
    $8$

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