🚀The homemade underwater jetpack goes through multiple iterations to improve its speed.
🏊♂️A challenge is issued to an Olympic swimmer to race against the jetpack in a swimming competition.
💡The YouTube comment section provides insights that inform the jetpack's design and performance improvements.
🤔The jetpack faces challenges with seaweed and propeller issues during the races.
⚙️Adjustments including repositioning the engines and adding a fin are made to improve performance.