Refer to the figure that shows world-record times for running events of different durations.Each colored band in the graph (labeled 1-3) corresponds to the time courses of the three energy systems that supply fuel to the muscles. 
Band 2 corresponds to when _______ kicks in.
Definitions:
Profit-Maximizing Price
The price point at which a company can sell its product or service to achieve the highest possible profit.
High Speed Internet
High speed internet refers to broadband internet service that provides high data rate access to the internet, facilitating faster browsing, streaming, and downloading.
Cable Television
A system for delivering television programming to paying subscribers via radio frequency signals transmitted through coaxial cables or digital light pulses.
Oligopolists
Companies or entities that dominate an oligopoly, controlling significant market share and influencing prices and competition.
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