A space shuttle astronaut has a mass of 110 kg with her space suit on. She is on a space walk and picks up a full can of spray with a mass of 20.6 kg. Relative to the space shuttle, she is at rest. She then holds the can directly in front of her centre of mass to avoid rotation and releases 5.0 kg of spray at a speed of 15.6 m/s . Her speed, relative to the space shuttle, when she has stopped spraying is approximately