You've left a motorway after a long period of driving at 70 mph. How is your judgement of speed likely to be affected? You've left a motorway after a long period of driving at 70 mph. How is your judgement of speed likely to be affected?

• Possible answers:

   
• A. You'll think you're going more slowly than you are
• B. Your judgement of speed will be improved
• C. You'll think you're going faster than you are
• D. Your judgement of speed will be unaffected