A particle of mass $2\times {10}^{-5} \mathrm{kg}$ moves horizontally between the plates of a parallel plate capacitor which produce an electric field of $200 \mathrm{N} {\mathrm{C}}^{-1}$ in the vertically upward direction. A magnetic induction of $\text{2.0} \mathrm{T}$ is applied at right angles to the electric field in a direction normal to both $\overrightarrow{E}$ and $\overrightarrow{v}$. If $g$ is $\text{9.8} \mathrm{m} {\mathrm{s}}^{-2}$ and the charge on the particle is ${10}^{-6} \mathrm{C}$, then the velocity of the charged particle so that it continues to move horizontally is