Physics - Kinematics Question with Solution | TestHub

A particle is moving x -y plane. At an instance, $v_x=3\mathrm{m}/\mathrm{s},v_y=4\mathrm{m}/\mathrm{s},a_x=2\mathrm{m}/{\mathrm{s}}^2$ and $a_y=1\mathrm{m}/{\mathrm{s}}^2$. Rate of change of speed at that instant is: