A good question. There is only one answer for this...
If you take the word "air", then kick off the R and you're left with AI. Yes AI...as in Artificial Intelligence! Now take the "art" in "artificial"...art...Bart...as in Bart Simpson! Now notice the skin colour of every character in the Simpsons? It's yellow! So now going back to your question. What is is air?
The answer is yellow! Wait...that's not right actually. Never mind.
Well, if it's carrying a pair of 10cm in diameter coconuts then it should be able to travel at an approximate velocity of 32.2m/s^2. I don't think I can tell you the maths, you wouldn't understand.