A 100kg mass, initially at rest, is blown apart into two 50.0kg pieces. After the blast, the two masses are moving apart with a relative velocity of 100(m)/(s). The total kinetic energy after the explosion is: A) 8.42 x 10⁴J B) 1.25 x 10⁵ J. C) 3.62 x 10⁵ J D) 6.50 x 10⁵ J E) 1.24 x 10⁶ J