For Chapman, it's fast, faster, fastest
Fastest Car: Bloodhound SSC - IEEE Spectrum
Why It's Almost Impossible for Fastballs to Get Any Faster
After hit, Aroldis Chapman's heater at its hottest
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The Measure Of A Fastball Has Changed Over The Years — College
Statcast: Aroldis Chapman's 104.1 mph pitch is fastest ever
Faster than a speeding bullet: the 1000mph car
Geology Professor Sets Fastest Known Time on Superior Hiking Trail
What is the fastest pitch ever? History of fastest pitches in MLB
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Fast Car - Wikipedia