[填空题]
A diver (such as thefh,;jqnl le e5uka(*4 - ni v2)9anmkkx+7qrw one shown in Fig. 8–29) can reduce her moment of inertia by a factor of about 3.5 when changing from the straight position to the tuck position. If she makes 2.0 rotations in 1i 9-mnwv+2x)raq kk 7n.5 s when in the tuck position, what is her angular speed ($rev/s$) when in the straight position? $rev/s$