[填空题]
A figure skater can increase her spin s :8*4*rbp dn wo pqu8nt.n+werotation rate from an initial rate-hqhh:s8s5 z5p(a a)m .xkoj)oki un4 of 1.0 rev every 2.0 s to a final 5 .5m qoan4hi)hxk ajko(zph8u :s-s )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? $kg \cdot m^2$