Answer:
You must know the object's distance and time of acceleration
Explanation:
The answer is B. Primary. Gordon Allport grouped personality traits by:
cardinal traits - master traits, most dominant personality, most observable trait.
Central traits - general traits, building blocks of what shapes the person's behavior.
Secondary trait- not obvious traits as central traits, observable during a certain situation/ when the need arises.
__Rain Forest___Novanet__