[填空题]
A diver (such as the omxi5ft,o5y xftjm6 85ne shown in Fig. 8–29) can *t1i 3bedh: 3kss(4it7x opewreduce her moment of inertia by a factor of about 3.5 when changing from the straight position to the tuh 14i xwebk sp(3i:7t3des* otck 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? $rev/s$