[填空题]
A figure skater can increase her spin117yorjhe ghym*(c).n ,ab e h rotation rate from an init ge/nq3xsh*q n:i42geo,oyi . ial rate of 1.0 rev4,q*o ynhqg2soi : i3g.xn/ee every 2.0 s to 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? $kg \cdot m^2$