In this case, $Q = 1750 \, \text{cfm} = 1750 \, \text{ft}^3/\text{min} = 29.17 \, \text{ft}^3/\text{s}$ and $A = 0.75 \, \text{ft} \times 2.5 \, \text{ft} = 1.875 \, \text{ft}^2$. Therefore, $V = 29.17 \, \text{ft}^3/\text{s} / 1.875 \, \text{ft}^2 = 15.56 \,
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