A spinning toy with a moment of inertia of 11.2 kg m² spins at 7.1 rev/s. Suddenly, four sticks extend out and the toy spins at 3.9 rev/s. Find the new moment of inertia of the toy.
1) 6.2 kg m²
2) 20.4 kg m²
3) 12.2 kg m²
4) 7.1 kg m²
5) 17.3 kg m²