FVector ExternalLinearDragV
Additional linear drag applied to every body in addition to linear drag specified on them in the physics asset. When combined with ExternalLinearVelocity, this can be used to add a temporary wind-blown effect without having to tune linear drag on all the bodies in the physics asset. The result is that each body has a force equal to -ExternalLinearDragV * ExternalLinearVelocity applied to it, in additional to all other forces. The vector is in simulation local space.