What is the magnitude of a new vector obtained by multiplying a vector $\vec{A}$ by $-\frac{3}{2}$?
- AThe magnitude becomes $\frac{3}{2}$ times the original magnitude.
- BThe magnitude becomes $-\frac{3}{2}$ times the original magnitude.
- CThe magnitude becomes $\frac{2}{3}$ times the original magnitude.
- DThe magnitude becomes $0$.
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