Answer
$135.7$ yards
Work Step by Step
Step 1: The formula to be used here is $s=rwt$.
Step 2: After substituting the values of $r$,$w$ and $t$ provided by the question into this formula, the equation becomes $s=9\times \frac{2\pi}{5}\times12$
Step 3: Simplifying, $s=\frac{216\pi}{5}=135.7$ yards