[填空题]
A diver (such as the one shown in Fig.a:vyrq kb 4+8*/qttam 8–29) can re4jj u +r*pifni amp329duce her moment of inertia by a factor of about 3.5 when changing from the straight position to the tuck position. Ij9f j2+n*4pm a3r iiupf 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? $rev/s$