The rms velocity of hydrogen is $\sqrt7$ times the rms velocity of nitrogen. If T is the temperature of the gas, then

Question

$(a)\;T(H_2) = T(N_2)\qquad(b)\;T(H_2) > T(N_2)\qquad(c)\;T(H_2)<T(N_2)\qquad(d)\;T(H_2) = \sqrt7T(N_2)$