a muscular man would run faster than a thin man because he physically built
No, muscular endurance is lost faster.
fatter person land faster
a person would fall faster because we have more mass (weight) than the balloon.
Yes. Given equal muscular development, a person with long legs will run faster (generally) than a person with short legs, because the stride length will be longer for one movement of the legs.
Given the nearly-instantaneous production of incredible muscular force, his reflexes would have to be on a par with mammalian animals, or considerably faster than the average human.
It would be more accurate to say "faster than him."
A dog
I think the lioness can run faster than the lion because the lions get tired quicker than the lioness
You would need to be as agile as and faster than a Ninja to run faster than one.
I would think that a cow is faster than an elephant.
Yes a person jogging travels faster than someone walking.
No street legal Zondas are faster than Koenigseggs. The Zonda R would be faster around a track than a Koenigsegg.