Several of these heart-pounding new coasters were supposed to debut last year, but their openings were pushed back.

Another thing binds these two roller coasters together: They both use a traditional lift hill track system instead of the magnetic launch technology most other high-speed coasters use.

“It’s a family launch coaster, which is fun because you don’t get too many launch coasters on family-size rides,” Perry said. The park says the ride will go from 0 to 31 miles per hour ...