A baseball is traveling ( 30 m/s) and is hit by a bat. it leaves the bat traveling (−40 m/s). what is the change in the velocity? remember that direction is what makes velocity different than speed. responses −10 m/s negative 10 meters per second, −30 m/s negative 30 meters per second, −40 m/s negative 40 meters per second, −70 m/s