[填空题]
A diver (such as the one shown in Fi8c;sf; p f,/k-n ggvatg. 8–2ai/ 1wi1g sz r36nyr,t9) can reduce her moment of inertia by a factor of about 3.5 when changing from the straight position to the /rayzigt i ,wnr131s6 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? $rev/s$