[填空题]
A figure skater can incs3z chcai)n1 vx e*o2;rease her spin rotation rate fp ac;cx*9knm9rom an initial rate of 1.0 rev every 2.0 s to knp c99c*;xam 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? $kg \cdot m^2$