Board Thread:Speculation House/@comment-69.66.169.227-20130802171349/@comment-5680836-20130912110556

Based on the assumption that Ruby and the Crescent Rose together weigh 80kg and assuming that the ammunition is a conventional .50cal BMG round. Then with one shot Ruby will be propelled with a velocity of 5.73 m/s in the opposite direction that the gun is pointing at.

To put it in perspective it is more than half the speed of the world record 100m sprint. 

 This is free recoil and thus it doesn’t take any other forces into account such as gravity or air resistance that would act upon Ruby as a whole. The calculations also assume that Ruby is in mid-air and thus has no friction with the ground. This lends in my opinion, support towards the idea that the rounds are augmented with dust. 

Sources: 

http://kwk.us/recoil.html (for calculating recoil)

http://en.wikipedia.org/wiki/.50_BMG (for information on the .50cal rounds.)

<p class="MsoNormal">

<p class="MsoNormal">