New York prepares for the annual NYC marathon

The video tutorial provides a brief instruction on how to hold turbo, starting with a general address to the audience and then giving a specific command.

How might the phrase 'Alright everybody' set the tone for the following instructions?

What emotions or reactions might the audience have when they hear 'Alright everybody'?

What do you think the phrase 'hold turbo' implies in this context?

In what situations do you think someone would use the term 'turbo'?

Can you think of a scenario where 'holding turbo' would be necessary? Describe it.