Answer
$36\frac{m}{s}$
Work Step by Step
We know that
$a_c=\frac{v^2}{r}$
This simplifies to:
$v=\sqrt{ra_c}$
We plug in the known values to obtain:
$v=\sqrt{(15)(9.0)(9.81)}$
$v=36\frac{m}{s}$
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