Animated 19th century praxinoscope with six scenes

The video contains no spoken content, as indicated by the transcript.

What is the significance of the duration mentioned in the text?

How might the duration of 4250 milliseconds affect the content of a speech?

In what contexts might a duration of 4250 milliseconds be considered appropriate?

What challenges could arise from a speech that lasts for 4250 milliseconds?

Discuss the potential impact of a speech duration on audience engagement.