[填空题]
A diver (such as the one *k) x yi22fvntshowi:r3wvwa1 9p7lv-uy j n in Fig. 8–29) can reduce her moment of inertia by a factoprwya3w -lv9ivu:j71r of about 3.5 when changing 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? $rev/s$