[填空题]
A figure skater can jh1jhw6) dc5 k ol4il513n1xu3ef7 uozvx0nbincrease her spin rotatj 4djjh i9 *tg*4mggponoy /4s-y-*l aion rate from an initial rate of 1.0 rev every 2.0 s tojsmg4 j-a4hj4dl n*p* goyto *i9/-gy a final rate of 3 $rev/s$ If her initial moment of inertia was 4.6 kg*$m^2$ what is her final moment of inertia? How does she physically accomplish this change? $kg \cdot m^2$