Wolff reacts to whether he feels Rosberg can battle back .
Wolff says his driver understands he had a race to forget in Germany but holds strong belief the former championship leader can react strongly after the summer break at Spa .
Reacting to whether he feels Rosberg can battle back , Wolff says his driver understands he had a race to forget in Germany but holds strong belief the former championship leader can react strongly after the summer break at Spa .