Title. .. Superman: speed of light- 299,792,458 m/s roadrunner: 8.9 m/s dash incredible: speed of sound- 340.29 m/s usian bolt: 10.38 m/s the flash: faster than the speed Title Superman: speed of light- 299 792 458 m/s roadrunner: 8 9 dash incredible: sound- 340 29 usian bolt: 10 38 the flash: faster than
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