oldfaithful.gif has a 93.9 minute delay (8 655 second frames, plus a 392 second one). Which is about right. (ImageMagick's identify program outputs the frame

oldfaithful.gif has a 93.9 minute delay (8 655 second frames, plus a 392 second one). Which is about right. (ImageMagick's identify program outputs the frame delays when you give it -verbose. Units are hundreths of seconds.)