The rms velocity of hydrogen is $\sqrt{7}$ times the rms velocity of nitrogen. If $T$ is the temperature of the gas,which of the following is true?
- A$T_{H_{2}} = \sqrt{7} T_{N_{2}}$
- B$T_{N_{2}} = T_{H_{2}}$
- C$T_{N_{2}} = \sqrt{7} T_{H_{2}}$
- D$T_{N_{2}} = 2 T_{H_{2}}$
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