Final answer:
Kingda Ka has the largest drop of 418 feet compared to the other roller coasters mentioned.
Step-by-step explanation:
To determine which roller coaster has the largest drop, we simply compare the vertical differences provided for each roller coaster. The drops for the roller coasters mentioned are as follows:
- Kingda Ka: 418 feet
- Top Thrill Dragster: 400 feet
- Steel Dragon 2000: 306 feet
- Titan: 255 feet
Given these measurements, Kingda Ka at Six Flags Great Adventure in Jackson, New Jersey, with a drop of 418 feet, has the largest drop of the roller coasters listed.