[填空题]
A figure skater can increaseel zg,u qh/u7s0i:yu. her spin ro)xzk8iyyx*o b:zxd 8,tation rate from an initial rate of 1.0 rev every 2.0 s to a final rate of bod, zxyx8ix8zk y*:)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? $kg \cdot m^2$