Megan and Hana raced their remote control cars for 100 \mathrm{~m}.
The two cars started at the same time.
The average speed of Megan’s car was \frac{5}{4} \mathrm{~m} / \mathrm{s}.
Hana’s car finished 5 seconds before Megan’s car.
What was the average speed of Hana’s car?
Answer Choices
A. \frac{4}{5} \mathrm{~m} / \mathrm{s}
B. \frac{5}{2} \mathrm{~m} / \mathrm{s}
C. \frac{4}{3} \mathrm{~m} / \mathrm{s}
D. \frac{6}{5} \mathrm{~m} / \mathrm{s}
E. \frac{3}{2} \mathrm{~m} / \mathrm{s}