Why is ground speed different to airspeed?

Related questions

1. Does headwind increase airspeed?
2. What is Kcas speed?
3. Does true airspeed increase with temperature?
4. How does headwind affect airspeed?
5. How is true airspeed calculated?
6. Can you speed in an airplane?
7. Is ground speed faster than airspeed?
8. Why is airspeed measured in knots?
9. What is true indicated airspeed?
10. How is airspeed calculated?

Tags

1. #aircraft
2. #speed
3. #100mph
4. #direction
5. #ground
6. #moving
7. #50mph
8. #difference
9. #aircrft
10. #thorugh
11. #going
12. #airspeed