Using Bohr's Model, the Speed of an Electron in the First

Multiple Choice

Using Bohr's model, the speed of an electron in the first orbit is

A) 3.14 × 10⁵ m/s.
B) 1.09 × 10⁶ m/s.
C) 1.37 × 10⁷ m/s.
D) 2.19 × 10⁶ m/s.
E) None of these is correct.