Using the Bohr's model , calculate the speed of the electron in a hydrogen atom in the $n= 1,2$ and 3 levels

Question

$\begin{array}{1 1} v_1= 7.3 \times 10^5 ms^{-1};v_2= 2.19 \times 10^{6} ms^{-1} ; v_3= 1.095 \times 10ms^{-1} \\ v_1 = 2.19 \times 10^6 ms^{-1};v_2= 1.095 \times 10^{6} ms^{-1} ; v_3= 7.3 \times 10^{5} ms^{-1} \\ v_1 = 2.19 \times 10^6 ms^{-1};v_2= 7.3 \times 10^{5} ms^{-1} ; v_3= 1.095 \times 10^{5}ms^{-1} \\ v_1= 7.3 \times 10^5 ms^{-1};v_2= 1.095 \times 10^{6} ms^{-1} ; v_3= 2.19 \times 10ms^{-1}\end{array} $