If you travel at the light speed, I think you will return to the starting point three weeks before the starting time, so becoming three weeks younger.
How far you fly does not really affect how fast your flight is.
people drive really fast cars
really fast around 1,000,000,000 kilometres per hour So its kinda impossible ;)
My guess is that he did what superman does and go around earth REALLY fast
In 1918 there was no fast food or fast food chains. It wasn't until McDonald's opened their first store in 1955 that fast food really began and it is in the last 30 years that fast food has really grown all around the world.
Yes.
Really fast acceleration average top speed around 50
Really fast!
Some of the fastest times have been recorded at around 28 mph.
It happens really fast, and in large overwhelming quantity. it could even be a blur to you.
it can travel around the world taking nine months time
Among other things, it transports coarse sediment.