If $x = 3 - 4t^2 + t^3$, then work done in first $4s$ will be (Mass of the particle is 3 gram) :

Question

$\begin{array}{1 1} (1)\; 384 mJ \\ (2)\; 168 mJ \\ (3)\; 192 mJ \\ (4)\; \text{None of these} \end{array}$