Description To use this natives we must use fakemeta/engine.
Natives angle_get_speed(ent, Float:fAngleSpeed[3]) - Gets the angle speed vector.
angle_set_speed(ent, Float:fAngleSpeed[3]) - Sets the angle speed for entity.
Example: I recored video on which i show how this work: http://www.youtube.com/watch?v=T7chiP0IBfY