Sorry but the concept that a biological or mechanical entity can travel 99% of the speed of light is pure fantasy. Sorry but the concept that a biological or mechanical entity can travel 99% of the speed of light is pure fantasy. To: SunkenCivA rocket traveling at 99% of the speed of light… possible, according to Einstein’s Theory of Special Relativity. by 14 posted onby Governor Dinwiddie ( O give thanks unto the Lord, for He is gracious, and his mercy endures forever. Here ya go:To: Governor Dinwiddie😆by 16 posted onby Salamander ( Please visit my profile page to help me go home again.