During summer break, jamie's family went camping in the mountains. there were no roads to their camp, 8 miles away, and it took them about 4.5 hours to reach the campsite on foot. did jamie's family stop to rest during the trip? how can you tell from the data? a) no. they continued moving but their speed varied. b) yes. after 1.5 hours, there is no change in position for 30 minutes. c) no. they continued moving, although they also slowed down continuously during the trip. d) not really. they did stop, but that was only when they reached the campsite at distance equals 0.