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451.6 cubic centimeters is about two times as as a Baseball.
In other words, it's 2.146647521 times the of a Baseball, and the of a Baseball is 0.4658426641 times that amount.
(MLB rules)
Per Major League Baseball rules, a baseball must measure between about 201.7333416 cu. cm and 219.0157526 cu. cm. A major league pitcher can throw a baseball at up to 150 kph (91 mph) in a fastball pitch.
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