[填空题]
A diver (such as thej-ojbj hh5nqe ,5+-t a-my(/ skpor/ aoc1lh :one shown in Fig. 8–29) can reduce her moment of inertia by a factor of about 3.5 when changing from the straight positioa yom(h//c krs1l:po-n to the tuck position. If 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? $rev/s$