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​A Runner Begins Running at a Steady Pace on a at Path

Question 57

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​A runner begins running at a steady pace on a at path. She speeds up as she starts to run downhill. Once she is at the bottom of the hill, the path is at again, and she resumes a steady pace faster than her previous steady pace. Her run ends with an uphill path, on which she runs slower and slower until she stops at the top of the hill. Sketch a graph of the runner's speed versus time.


A) ​ ​A runner begins running at a steady pace on a at path. She speeds up as she starts to run downhill. Once she is at the bottom of the hill, the path is at again, and she resumes a steady pace faster than her previous steady pace. Her run ends with an uphill path, on which she runs slower and slower until she stops at the top of the hill. Sketch a graph of the runner's speed versus time. A) ​ B) ​ C) ​ D) ​ E) ​
B) ​ ​A runner begins running at a steady pace on a at path. She speeds up as she starts to run downhill. Once she is at the bottom of the hill, the path is at again, and she resumes a steady pace faster than her previous steady pace. Her run ends with an uphill path, on which she runs slower and slower until she stops at the top of the hill. Sketch a graph of the runner's speed versus time. A) ​ B) ​ C) ​ D) ​ E) ​
C) ​ ​A runner begins running at a steady pace on a at path. She speeds up as she starts to run downhill. Once she is at the bottom of the hill, the path is at again, and she resumes a steady pace faster than her previous steady pace. Her run ends with an uphill path, on which she runs slower and slower until she stops at the top of the hill. Sketch a graph of the runner's speed versus time. A) ​ B) ​ C) ​ D) ​ E) ​
D) ​ ​A runner begins running at a steady pace on a at path. She speeds up as she starts to run downhill. Once she is at the bottom of the hill, the path is at again, and she resumes a steady pace faster than her previous steady pace. Her run ends with an uphill path, on which she runs slower and slower until she stops at the top of the hill. Sketch a graph of the runner's speed versus time. A) ​ B) ​ C) ​ D) ​ E) ​
E) ​ ​A runner begins running at a steady pace on a at path. She speeds up as she starts to run downhill. Once she is at the bottom of the hill, the path is at again, and she resumes a steady pace faster than her previous steady pace. Her run ends with an uphill path, on which she runs slower and slower until she stops at the top of the hill. Sketch a graph of the runner's speed versus time. A) ​ B) ​ C) ​ D) ​ E) ​

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