* phys_maxvelocity
o Default: 2000 in/sec
* phys_maxangularvelocity
o Default: 3600 deg/sec
* phys_collisions_object_timestep
o Default: 10
o Description: Objects may collide this many times before they are frozen for performance reasons.
* phys_collisions_timestep
o Default: 250
o Description: Same as phys_collisions_object_timestep, but against the world.
* phys_minfrictionmass
o Default: 10
* phys_maxfrictionmass
o Default: 2500

* phys_gravity_x
* phys_gravity_y
* phys_gravity_z
o Description: Changes gravity for physics objects on any combination of axes.

* phys_airdensity
o Description: Changes the density of air in the physics simulation ( Doesn't require cheats )

just dumping this here so I can look at it in-game