Answer
Please see the work below.
Work Step by Step
We know that
$E_k=\frac{1}{2}mv^2$
This can be rearranged as
$v=\frac{1}{2}\sqrt{\frac{226.433\frac{Kg.m^2}{s^2}}{\frac{1}{2}\times 1.00lb\times 0.4536\frac{Kg}{lb}}}=31.60\frac{m}{s}$
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