A vessel is filled with $0.014 \mathrm{kg}$ Nitrogen gas at a temperature of $27°\mathrm{C}$. Let the ${\mathrm{\nu }}_{\mathrm{rms}}$ at this temperature be $\mathrm{V}$; then at what temperature the ${\mathrm{\nu }}_{\mathrm{rms}}$ of this gas will be $2\mathrm{V}$ ?