How did Able the monkey that was first to go space die?

There was no monkey named "Able" who was the first to go to space. The first monkey in space was named Albert II, launched by the United States in 1949.

Albert II died upon impact when his rocket crashed back to Earth after reaching an altitude of 134 kilometers (83 miles).

It's possible you are thinking of Albert I, who was the first American monkey launched into space but did not survive the flight due to a parachute failure.

It's also possible you are thinking of Able, who was a rhesus monkey who went into space with Baker, another rhesus monkey, on May 28, 1959. Able and Baker were the first animals to survive a spaceflight and return to Earth safely.