Answer
$1.05\times10^{5}\,m/s$
Work Step by Step
$\Delta x\times m\Delta v=\frac{h}{4\pi}$
$\implies \Delta v=\frac{h}{4\pi m\Delta x}$
$=\frac{6.626\times10^{-34}\,Js}{4\times3.14\times9.109\times10^{-31}\,kg\times552\times10^{-12}\,m}$
$=1.05\times10^{5}\,m/s$
