By what factor does the average velocity of a gaseous molecule increase when the temperature (in Kelvin) is doubled ?

By what factor does the average velocity of a gaseous molecule increas

1.	By what factor does the average velocity of a gaseous molecule increase when the temperature (in Kelvin) is doubled ?
Answer» `2.8` `4.0` `1.4` `2.0` SOLUTION :`1.4`