If Electrons Are Accelerated from Rest in an Electron Gun $\times$

If electrons are accelerated from rest in an electron gun by sending them through a potential difference of 1000 V,what is the speed of the electrons?

A) 9.41 $\times$ 10⁶ m/s
B) 1.33 $\times$ 10⁶ m/s
C) 1.87 $\times$ 10⁷ m/s
D) 1.97 $\times$ 10⁶ m/s
E) 6.22 $\times$ 10⁶ m/s