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Practice quizzes / PA Driving Instructor Practice Questions - Pennsylvania Driving Instructor Certification Exam (PDTS) Exam / Question 164931
Practice question

What is the speed-stopping distance relationship?

  1. Proportional increase
  2. Exponential — doubling speed quadruples stopping distance
  3. No relationship
  4. Inverse relationship

Answer: B — Exponential — doubling speed quadruples stopping distance

The correct answer is shown above. Try the full quiz for additional practice.

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