[填空题]
A diver (such as the one s)c;by1: c y lkit:vc*fhown in Fig. 8–29) can reduce her m9:4lllawc wh; oment of inertia by a factor of about 3.5 when changing from 4a:lc9lhw;lw 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? $rev/s$