A particle of charge $+15\mathrm{.}6$ C and mass $2\mathrm{.}77\backslash$times $10-5$ kg is released from rest in a region where there is a constant electric field of $+509$ N$/$C$.$ What is the displacement of the particle after a time of $2\mathrm{.}35\backslash$times $10-2$ s$?$