If the body is moving in a circle of radius $ r$ with a constant speed $v$, its angular velocity is
${v^2}/r$
$vr$
$v/r$
$r/v$
If the body is moving in a circle of radius $ r$ with a constant speed $v$, its angular velocity is
$v = r\omega $
$⇒$ $\omega = \frac{v}{r}$ = constant [As $v$ and $ r$ are constant]