Aparticle with charge q = 10-9 c and mass m = 5.0 x 10-9 kg is moving in a magnetic

Aparticle with charge q = 10-9 c and mass m = 5.0 x 10-9 kg is moving in a magnetic field whose magnitude is 0.003 t. the speed of the particle is 500 m/s and its velocity vector makes an angle of 45 with the magnetic field vector. what is the magnitude of the acceleration of the particle?