How Does a Particle's Relativistic Kinetic Energy $K$ Compare to Its Newtonian Kinetic Energy When the Particle's Speed

Multiple Choice

How does a particle's relativistic kinetic energy $K$ compare to its Newtonian kinetic energy when the particle's speed $|\vec{v}|=\frac{4}{5}$ ?

A) $K<\frac{1}{2} m|\vec{v}|^{2}$
B) $K>\frac{1}{2} m|\vec{v}|^{2}$
C) $K=\frac{1}{2} m|\vec{v}|^{2}$