[填空题]
A diver (such as the one shownzr3f+m3; ciqf 8gynkh6ol (4r in Fig. 8–29) can reduce her moment of inertirya. n fv2gam;nl+28lgdlr/1a by a factor of 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, lvr yd.2 12alrmfnn/8l;ag g+what is her angular speed ($rev/s$) when in the straight position? $rev/s$