says it traveled "..36,210 kilometres per hour (22,500 mph).."
The average distance between Mars and Earth is 225 million km
(140 million miles).
MQ1: How far, exactly, how fast, and how is a spacecraft going that fast? There's no atmosphere in space; what are the rockets pushing against? There is no friction so you can have great speeds; but how do you get to those speeds? Please answer in easy to understand language...
MQ2: I have a co-worker who does not believe that anyone has been to the moon or to Mars. She says it's a hoax. She survived the layoffs for some unknown reason and plays Angry Birds obsessively. Why do some people not believe that this technology exists?