Let $\mathbf{v}$ and $\mathbf{w}$ be vectors such that \[\operatorname{proj}_{\bold{w}}( \bold{v} )= \begin{pmatrix} 4 \\ -7 \end{pmatrix}.\

Let v and w be vectors such that \(\operatorname{proj}_{{w}}({v})= \begin{pmatrix} 4 \\ -7 \end{pmatrix}.\)
Find \(\operatorname{proj}_{-2{w}} (3{v})\).