The adverb of sensational is sensationally.
it's when times were hard,so probably sensational
(sensational can mean aimed at lurid notoriety, or commonly to mean outstanding)"Tabloid newspapers are known for their sensational headlines, which are often based on no more than rumors or innuendo.""The brothers were part of a sensational high-wire act in the circus.""The whole family thought that her chili recipe was sensational."
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
Sensational; amazing, unbelievable,
My husband planned a sensational surprise birthday party for me.
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.