\textbf{158.} A bullet is fired from height $h$ with speed $V$. The bullet passes through the ground at height $9\,\text{m}$ and reaches the ground with speed $\dfrac{3}{2}V$. $h$ is how many meters? (Ignore air resistance and $g = 10\,\dfrac{\text{m}}{\text{s}^2}$)
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(1) $16.2$ \hfill (2) $18$ \hfill (3) $33.4$ \hfill (4) $36$
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