[填空题]
A figure skater can in1b fzke)izv .-:v(b vncrease her spin rotation rate from an initial rate of 1.0 )nzzb f:1v.e-(v ib kv hrq2vzusi zsy/gv8 8 m34uuz1cl .8.orev every 2.0 s to a final rate i.1u 8zzsg/v32om c yz4h.uvl8 s8qru 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? $kg \cdot m^2$