In Flash, you can set only one frame rate for the entire movie. You set the frame rate in the Document Properties dialog.
To set the frame rate
1.
To access the Document Properties dialog, do either of the following:
Choose Modify > Document, or press -J (Mac) or Ctrl-J (Windows).
In the Timeline's Status bar, double-click the frame-rate number (Figure 8.40).
Figure 8.40. To call up the Document Properties dialog, choose Modify > Document (top) or double-click the frame-rate number in the Timeline's Status bar (bottom).
2.
In the Document Properties dialog, enter a value in the Frame Rate field (Figure 8.41).
Figure 8.41. Enter a new value in the Frame Rate field. Flash's default frame rate is 12 fps.