Answer:
4680 km / hour
Step-by-step explanation:
You can do this with a method called dimensional analysis. (I think you should check the speed. Are you sure it is that fast?)
[tex]\frac{1300 m}{sec}*\frac{1 km}{1000 m} * \frac{3600 sec}{1 hr}\\[/tex]
1.3 * 3600 = 4680 km/hour
