Texas Instruments TI InterActive! Getting Started Manual page 39

Note: This is the glide
speed that will keep
the plane aloft for the
longest period of time.
However, it is not the
speed that produces
the greatest horizontal
glide distance.
3. You can enter starting and ending x values in the limit entry
boxes or you can click and drag the limit lines on the graph.
4. Click Calculate to find the minimum x and y values.
5. Type the following sentence to complete your report. The
plane's minimum-sink glide speed should be around 36 mph
at 531 ft./min.
Getting Started with TI InterActive! 39