It depends entirely on your latitude. At the equator you would have to be traveling a little faster than one thousand miles an hour to keep the same position relative to the earth and sun. The closer you get to the poles, the slower you will have to travel.
it can travel around the world taking nine months time
Some fast ferries around the world do over 30 knots.
About 30 kilometers / second.
Light's contribution to Science was when the scientists realised how fast light can travel around the world.
around 550mph
Up to around 40 mph
The speed of light in air is approximately 350 meters/second. It is not constant; it depends on pressure, temperature, and humidity.
Ramadan
Most of the passenger river boat travels at 35 knots per hour.
A sunrise industry is a new and a fast growing industry that is expected to be very important in the near future.
it goes on average around 75-79 mph
Yes, they travel some fast!