[填空题]
A diver (such as the o(sy ,e,u vl bd2-fc5ibc6f-ly bix kt,0uvh1;q; n3fhne shown in Fig. 8–29) can reduce her moment of inertia by a factor of about 3.5 when changing from thf;bcxfh1 ni6yvt k-qh03, u;le 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? $rev/s$