FanGraphs Audio: You Shall Know Our Fastball Velocity

Episode 730
Managing editor Dave Cameron is the guest on this edition of the program, during which he discusses the beguiling matter of velocity and the measurement of velocity in baseball after the League recently completed their transition from the PITCHf/x to Statcast pitch-tracking systems.

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Audio after the jump. (Approximately 35 min play time.)

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Carson Cistulli has published a book of aphorisms called Spirited Ejaculations of a New Enthusiast.

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One point: you cannot calculate velocity, or more accurately speed, at one point, as Dave mentioned several times.

You need at least two points: speed is distance/duration. You need to calculate distance traveled over a period of time. One point only gives you a location, not a distance. Similarly, you need two time measurements to calculate a duration to divide by.