What's the plural form of autoacceleration? Here's the word you're looking for.
Answer
The noun autoacceleration can be countable or uncountable.
In more general, commonly used, contexts, the plural form will also be autoacceleration.
However, in more specific contexts, the plural form can also be autoaccelerations e.g. in reference to various types of autoaccelerations
or a collection of autoaccelerations.