[\-stars \fIn\fP]
[\-delay \fIusecs\fP]
[\-zspeed \fIn\fP]
+[\-fps]
.SH DESCRIPTION
The \fIwormhole\fP program shows an animation of flying through a tunnel surrounded by streaks of light.
.SH OPTIONS
Speed light streaks fly by.
.TP 8
.B \-delay \fImicroseconds\fP
-Number of microseconds to delay between each frame. Default 50000, meaning
-about 1/20th second. Compare and contrast with \fI\-speed\fP, above.
+Number of microseconds to delay between each frame. Default 10000, meaning
+about 1/100th second. Compare and contrast with \fI\-zspeed\fP, above.
+.TP 8
+.B \-fps
+Display the current frame rate and CPU load.
.SH ENVIRONMENT
.PP
.TP 8