A proton in a linear accelerator has a de Broglie wavelength of $146$ pm $.$

Part A$.$

What is the speed of the proton? $($The mass of the proton is $1\mathrm{.}673{10}^{-27}kg$ and $($:$1(J)=1\frac{(kg)*m^2}{s^2}\}$

Express your answer in metres per second to three significant figures.

View Available Hint$($s$)$

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$u=m{s}^{-1}$