Answer
a. $17.706 \;ft/s $
b. $1328 \; ft^{3}$
Work Step by Step
a. Substitute the given values
$V=1.468 \Bigg ( \frac{75^{\frac{2}{3}}(0.050^{\frac{1}{2}})}{24.1^{\frac{2}{3}} (0.040)} \Bigg)$
$\quad\approx 17.706 \;ft/s $
b.
$V \times A= 17.706 (75)$
$\qquad \quad \: \approx 1328 \; ft^{3}$
