## Prepare a Presentation

## Work Time

# Prepare a Presentation

Prepare a presentation on your findings for Strouhal numbers. Explain how the Strouhal numbers compare to each other. Support your answers with calculations, diagrams, and formulas to explain why your answers make sense.

# Challenge Problem

The Strouhal number for the Eurasian Kestrel is 0.24. The bird has an amplitude of 0.345 meters and a wing-flap frequency of 5.7 flaps per second.

- What is its cruising speed?