An experimental nuclear fusion reactor operates continuously. Due to fusion reactions, the total mass of the fuel in the reactor core decreases at a rate of 4.8 × 10-4 kg per day. What is the rate of energy release (thermal power) of this reactor?
1.2×1010 W1.2 \times 10^{10} \text{ W}1.2×1010 W
5.0×108 W5.0 \times 10^8 \text{ W}5.0×108 W
1.8×1012 W1.8 \times 10^{12} \text{ W}1.8×1012 W
4.3×1013 W4.3 \times 10^{13} \text{ W}4.3×1013 W
