[填空题]
A diver (such as the one shown in Fig. vlpycl0 4qr:qv3 i.,d8–29) can reduce her moment of inertia n4 ejwjbxez8y)at+ n)x l68hbez/-0d by a factor ofza)enl)4 -86j/z+ye bxb08 ewnjdh x t 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? $rev/s$