Two objects of the same mass move along the same line in opposite directions. The first mass is moving with speed v$.$ The objects collide in a perfectly inelastic collision and move with speed $0\mathrm{.}100$v in the direction of the velocity of the first mass before the collision. What was the speed of the second mass before the collision?

Group of answer choices

$0\mathrm{.}800$v

$0\mathrm{.}00$v

$0\mathrm{.}900$v

$1\mathrm{.}200$v

none of these

$10\mathrm{.}0$v