Hi Kristine,
Disney does a good job of making all guests feel special.
There are some rides such as
Buzz Lightyear's Space Ranger Spin or
Spaceship Earth which continuously load guests. This means the ride in theory never stops and guests must keep pace to enter the attraction. This is different then the single load rides such as
Jungle Cruise where a boat always docks and waits to load guests and then moves forward.
Well no worries for any of the attractions! Simply approach the cast member at the front of the attraction and explain your son's needs. The cast member can then slow the ride. When he goes to disembark, the ride will slow again.
Luckily, most of the attractions should not present an issue for your son as they stop to load and unload based on guests ability to enter and exit the attraction.
You can look at all of the rides by visiting the
Walt Disney World site. You may even want to talk with your son about each ride if he is helping you plan your trip.
Your son may be eligible for a Guest Assistance Card (GAC). You would need to bring a note from his doctor explaining his slow transitions. You would present the note to the cast member at guest services at one of the parks who would determine if your son needs this card.
You can reach out to the team at
Guests with Disabilities with any additional questions.
Wishing you a magical day!
Beth