A roller coaster includes a vertical loop that provides thrilling experiences to its riders. As shown below, the loop has a radius of 15.0 meters and the coaster completes the loop in 6.0 seconds. Find the ratio of a passenger's apparent weight to their real weight at the bottom of the loop.

• A. $1.3$
• B. $2.7$
• C. $3.1$
• D. $4.0$

Answer: (B)