Answer
$\overline P=29.8W$
Work Step by Step
We call the force the person makes $F$. We have $$\overline P=\frac{W}{t}=\frac{(F\cos\theta)s}{t}$$
$F=22N$, $s=2\pi r =1.76m$, and $t=1.3s$. The force is applied parallel to the motion, so $\theta=0$.
$$\overline P=29.8W$$
