[填空题]
A figure skater can incv:v 2 68bd ip9enn5n y-dm-bccreasebb6w6n v* d:da her spin rotation rate from an initial rate of 1.0 rev every 2.0 s to a final rate obn6:wdb6vd a *f 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? $kg \cdot m^2$