[填空题]
A diver (such as the one shown inrrri31/e f xe. Fig. 8–29) can reduce her moment of inertia by r/ 1i.frxer3ezx)1 tok1o( xk a factor of about 3.5 when changing from the straight position to the tuck position. If she makes 2.0 rotations in )x x t(ko1zok11.5 s when in the tuck position, what is her angular speed ($rev/s$) when in the straight position? $rev/s$