Final answer:
Fiona James was motivated to develop special undergarments for racers by recognizing a specific need and collaborating with a company capable of addressing that need.
Step-by-step explanation:
Fiona James wanted to create special undergarments for racers primarily by identifying a problem and finding a company to help solve it. Her initiative appears to be driven by the necessity for comfort and safety in the racing industry, similar to the way athletes in other sports utilize advanced clothing technologies to minimize drag and enhance performance. While flame-resistant garments and safety standards are crucial for racers, the development of these undergarments also seems to address issues such as heat inside the race car, which can affect both safety and comfort.