In the reaction $3A \to 2B$ , rate of reaction $+d[B]|dt$ is equal to

Question

$\begin{array}{1 1} \frac{-1}{3} \frac{d[A]}{dt} \\ \frac{-2}{3} \frac{d[A]}{dt} \\ +2 \frac{d[A]}{dt} \\ \frac{-3}{2} \frac{d[A]}{dt} \end{array}$