An Alpha Particle (Mass = 6

An alpha particle (mass = 6.68 × 10−²⁷ kg) is emitted from a radioactive nucleus with an energy of 6.22 MeV.How fast is the alpha particle moving in m/s? (1 MeV = 1.6 × 10−¹³ J)

A) 3.70 × 10⁶ m/s
B) 1.73 × 10⁷ m/s
C) 1.55 × 10⁷ m/s
D) 1.85 × 10⁶ m/s