[填空题]
A figure skater can increase her spin rotation rate from an initial :vhyoj-c* gg(+av wu ;h.m/zorate of 1.dh nv, d(t2ps zk;2(s26w posa0 rev every 2.0 s to a final rk 2p av;dt62d(h zws,op2s(n sate 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? $kg \cdot m^2$