[填空题]
A diver (such as the one showowux2 ,/6gge wnchwo;t,zqmic xek/l7 m 058jj-. alo,9 a (wfk in Fig. 8–29) can reduce her moment of inertia by a factor of about 3.5 when chang5xkjtfl ,. ha/7moick,j-acwe( 0;z8wql 9om ing 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? $rev/s$