How has the supreme court interpreted the 6th amendment guarantee of a speedy trial?

it is based on the type of crime.
it should be 50 days between the arrest and the beginning of a trial.
it is different in each case.
it should be 25 days between the arrest and the beginning of a trial.

its a map of something

powers  are  denied  to the  national governmentin three distinct ways: some  powers, such as the  power  to levy duties on exports or prohibit the freedom of religion, speech, press, or assembly, are expressly  denied  to the  national government  in the  constitution.