[填空题]
A figure skater can increase her splo/fwi v59wmz/i j,unpzwiw0u7d 6i 1tae/,7in rotation rate from an initial ra3 (az8d l9spbmad* ct9te of 1.0 rev every 2.0 s to dlaa8mc d 39(z tp9b*sa final 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? $kg \cdot m^2$