[填空题]
A diver (such as the dqm abxrbrz ;35rgy);:/r6ev one shown in Fig. t jdz/c;(0o hk8–29) 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 jok 0; (hdz/ct1.5 s when in the tuck position, what is her angular speed ($rev/s$) when in the straight position? $rev/s$