A particle moves along a straight line such that its displacement at any time t is given by $\mathrm{s}=\left({\mathrm{t}}^3-3{\mathrm{t}}^2+2\right)\mathrm{m}$ The displacement when the acceleration becomes zero is

• A

  0 m

• B

  2 m

• C

  3 m

• D

  -2 m