This is a question with answer options. Goal: To stop a car without brakes,

Which of the following methods is more reasonable for accomplishing this goal?

OPTIONS:
a). turn on the hazard lights, take your foot off the gas and turn off cruise control, try to shift into a lower gear, drive on the shoulder of the road, pump the brakes, and engage the emergency brake once you've slowed down..
b). turn on the hazard lights, take your foot off the gas and turn off cruise control, try to shift into a lower gear, drive on the shoulder of the road, pump the tire, and engage the emergency brake once you've slowed down.....I think the answer is
a).