The velocity $v$ of a particle is given by the equation $v = 6t^2 - 6t^3$,where $v$ is in $m/s$ and $t$ is time in $s$. Then:

  • A
    at $t = 0$,velocity is maximum
  • B
    at $t = 2/3 \ s$,velocity is minimum
  • C
    minimum velocity is zero
  • D
    minimum velocity is $-2 \ m/s$

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