Mathematics

Problem

The velocity of a particle moving in a straight line is given by

v(t)=4t^{2}-3t+2\;\text{m\,s}^{-1}

. Determine its instantaneous acceleration at

t = 3\,\text{s}

. a)

24\,\text{m\,s}^{-2}

21\,\text{m\,s}^{-2}

39\,\text{m\,s}^{-2}

29\,\text{m\,s}^{-2}