[填空题]
A diver (such as the vli( tr6x d8*gsp5bbrs.d4.b cu ,n 6rone shown in Fig. 8igm+pwf7. u:f –29) can reduce her moment of inertia by a factor of about 3.5 when changing from the straight position uwpfmi:7. g+f 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? $rev/s$