Temperature at departure = 52° F (11° C)
Many thanks to the blond woman in the Lexus convertible who was nice enough to stop at and trigger three traffic signals, allowing me to keep a steady pace and ride through each light without having to stop.
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I must admit that I don't know much about trigonometry, so I was not quite sure what you meant when you said "Sum of the pitch." Perhaps you meant pace or cadence; I'll ask my son who is a senior in Civil Engineering, he's pretty good with that stuff.