909Electrical EngineeringMediumThe braking retardation is usually in the range________?A0.6 to 2.4 km phpsB10 to 15 km phpsC0.30 to 0.6 km phpsD3 to 5 km phpsE0.15 to 0.30 km phps Correct answerD. 3 to 5 km phps ExplanationThe correct answer is 3 to 5 km phps.