Read the excerpt from “Mary Jackson Biography.” After two years in the computing pool, Mary Jackson received an offer to work for engineer Kazimierz Czarnecki in the 4-foot by 4-foot Supersonic Pressure Tunnel, a 60,000 horsepower wind tunnel capable of blasting models with winds approaching twice the speed of sound. Czarnecki offered Mary hands-on experience conducting experiments in the facility, and eventually suggested that she enter a training program that would allow her to earn a promotion from mathematician to engineer. Alex wants to explain why NASA conducted research in the wind tunnels. Which quotation from Hidden Figures could best be integrated with the information from “Mary Jackson Biography" to achieve this?