[This question](https://gaming.stackexchange.com/questions/47031/if-my-airspeed-and-groundspeed-are-equal-should-i-glide-long-or-glide-short-wh) makes reference to the air-speed of the kart, thus implying that there are different stats for air speed and ground speed, however I can't seem to find any indication of this in-game. 

How do I know the air-speed of my kart?