Answer
$a=2.46\times10^{17}\frac{m}{s^2}$
Work Step by Step
As $F=qE$ and $F=ma$
so $ma=qE$
Rearranging the above equation,
$a=\frac{qE}{m}$
Putting the values into the formula and solving:
$a=\frac{(1.6\times10^{-19})(1.4\times10^6)}{9.11\times10^{-31}}$
$a=2.46\times10^{17}\frac{m}{s^2}$
