A train travels 60 km at a constant speed of 40km per hour for 1.5 hours. Explain why the total distance traveled does not affect the speed?

Answer 1

What's to explain?
You said that the speed was constant.

Answer 2

I am doing a maths SBA and i have to answer the questions. The data above is the results of the SBA. I was given the distance and had to find the speed and time, but i still have to answer the question.