When you speed, you have less time to react to unexpected situations. Other drivers have less time to react to your situation. With that being said, you can easily harm someone or yourself if not kill them by not watching your surroundings. Because like stated before, you not only have little time to react at the normal speed of traffic; but now you are speeding which takes away from the normal time, in return gives you minimal to NO time to react at all.
Cars are not really designed for high speed even though they are capable.
Braking systems are not designed for stops form high speeds. They can overheat and fail in an emergency stop, therefor the “perfect breaks” you thought you had are completely useless. Which means the poor person in front of you is probably fixing too suffer because you had too speed. In cases as concerned as running into the back of someone…I have heard of people getting paralyzed by careless driving mistakes such as speeding and missing a stop. Or texting and not realizing the person in front of them is either fixing too turn or has all the