Relations
(1/2)mvx2 = q*Vaccelerating, or vx = [2*q*Va/m]1/2
Fy = m*ay , or ay = Fy / m = q*Ey/m = q*Vdeflecting / (m*d) = ay .
vx = constant, so L = vx*t, or t = L/vx .
ay = constant, so y = h = yo + vyo + (1/2)ayt2, where yo = 0 and vyo = 0 , so h = (1/2)ayt2 .