Questions with the keyword 'speed'

• how can we speed up air travel around the world? by PwgllothDestroyerOfWales to Agata, Chris, John, Kirstin, Michael Comments: (No comments so far )
• If it’s possible: How could you change a Formula 1 car to being quieter (as they’re very loud), but keeping the same by LionVanGaal to John, Michael, Chris Comments: (So far, one comment )