Question Accelerating roughly is: Answers Encouraged at slow speeds. Encouraged at all speeds. Discouraged, as it may cause damage to the vehicle. Discouraged, as it may confuse other drivers. Explanation When accelerating, speed up smoothly and gradually so your vehicle does not jerk. Rough acceleration can cause mechanical damage. Take a FREE Practice Test Now This questions appears in the following tests: Kansas Knowledge Test Class A , Montana Knowledge Test Class A , Texas Knowledge Test Class A , Wisconsin Double , Delaware Passenger ,