8. what does the slope tell you about the rate of change in elevation during descent?
(1 point for identifying the rate of change)
9. it took ryan less time to hike down than it did to hike up, ernest thinks that was because ryan
jogged down the same trail he went up. emma thinks the trail down was steeper than the trail up. who
is correct and why? include a detailed explanation of why each hypothesis does or does not match the
graph. (4 points)
ernest's hypothesis (jogged down same trail):
emma's hypothesis (steeper trail):