What is the origin of the idiom "behind the curve" and when to use it?

The idiom "behind the curve" is believed to have originated from the world of mathematics, where a curve represents a line that is constantly changing direction. Being behind the curve means falling behind the pace of change and not keeping up with the latest developments. This idiom is often used in business, technology, and politics to describe a situation where a person or a group is not keeping up with the latest trends or developments, and as a result, is losing ground to others who are more up to date.