If the De Broglie Wavelength of an Electron Is 44

Multiple Choice

If the de Broglie wavelength of an electron is 44 nm,what is its velocity? (The mass of an electron is 9.11 × 10^-31 kg.)

A) 6.0 × 10^-5 m/s
B) 1.2 × 10³ m/s
C) 1.7 × 10⁴ m/s
D) 3.1 × 10¹⁰ m/s
E) 4.8 × 10²² m/s