Title text:
Carefully maneuvering the balloon down a mineshaft in an effort to break the OTHER altitude record
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3161/
Title text:
Carefully maneuvering the balloon down a mineshaft in an effort to break the OTHER altitude record
Transcript:
Transcript will show once it’s been added to explainxkcd.com
Source: https://xkcd.com/3161/
No. The comic is talking about airspeed: speed relative to the wind.
Ah, ok. I somehow got that wrong.