The velocity of a particle of charge +4.0 x 10^-9 C and mass 2 x 10^-4 kg is perpendicular to a 0.1-teala magnetic field. If the particle's speed is 3x10⁴m/s, what is the acceleration of this particle due to the magnetic force?

A 0.0006 ms^-2

B 0.006 ms^-2

C 0.06 ms^-2