[填空题]
A diver (such as the one sho9o o-+/ r.93iicudlkzqx i 7u:ct 1udfwn in Fig* yjq)h 5cpg62ghc)pm q + yatvs 3:kt8n*,cwb. 8–29) can reduce her moment of inertia by a factor of about 3.5 when changing from the straight ck+gcvsqh* 3p:hgbqjm anc2tp)w y5,6 8t*)y 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? $rev/s$