If the most probable speed of methane at a certain temperature is $400 \mathrm{~ms}^{-1}$, the kinetic energy of one mole of methane at the same temperature in $\mathrm{J}$ is మీథేన్ గతిజశక్తి J లలో

• A

  1024
• B

  2048
• C

  3072
• Correct answer
  D

  1920

Hence, the correct answer is option: 'D'.