Bullet Collision Detection and Physics Library

How difficult would this be to make a module out of? is that even possible?
it is 100% open Source and cross platform. looks like a good fit for MinB3D (but what do I know?)

http://www.continuousphysics.com


here are the help files:
http://www.continuousphysics.com/ftp/pub/test/index.php?dir=physics/&file=Bullet-2.42Docs.zip