By this metric, something like a bee is faster than a jet fighter.
A bee: 0.02m, 5 m/s -> 250 self lengths. A fighter: 20m, 500 m/s -> 25 self lengths.
A bee: 0.02m, 5 m/s -> 250 self lengths. A fighter: 20m, 500 m/s -> 25 self lengths.
The metric is even worse than that. Think about a bee riding inside a fighter.