[填空题]
A diver (such as the one shown in Fig. 8–29) can reduce her moment +4l sehy(c8ec,qo7dpoke-(z pq d ;,uof inertia 3jvsy b0n7n.tby a factor of about.n3byn0tj sv7 3.5 when changing from the straight position to the tuck position. If she makes 2.0 rotations in 1.5 s when in the tuck position, what is her angular speed ($rev/s$) when in the straight position? $rev/s$