You're supposed to bounce them off the street so they lose most of their velocity. More than a few of the police force apparently forgot that part of their training.
Note that this only applies to the 35mm/40mm rubber bullets, not the less-than-lethal beanbag/rubber pellet munitions.
Note that this only applies to the 35mm/40mm rubber bullets, not the less-than-lethal beanbag/rubber pellet munitions.