[填空题]
A diver (such as the one shown in Fig. 8–29) cang k9q8qpn6ef1tu +1 ep reduce her moment ofi5yhuy 3sya5c4z,m z ;9pt6oq inertia by a factor of about 3.5 when changi5zyi 5 ua9so hqytc; 46y,zp3mng 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? $rev/s$