Answer
$\omega=1.90\frac{rad}{s}$
Work Step by Step
We know that angular speed is given as
$\omega=\frac{\Delta \theta}{\Delta t}$
$\implies \omega=\frac{2\pi}{T}$
We plug in the known values to obtain:
$\omega=\frac{2\pi}{0.33}$
$\omega=1.90\frac{rad}{s}$