You are a junior camp counselor for your summer job. the camp director notices that the younger campers seem to be heavier and less active than the campers who came to the program in the 1990’s. she has asked you to lead an exercise program which focuses on education and activity. two 9 year old campers are running the fitness trail for their cardiovascular exercise. they both run the entire fitness trail together finishing in 27: 45. provide an explanation why each camper would have different lower and upper training zone limits.