Why does it say "Achen k'Adam Temusun"?
Rashi (from Avodah Zarah 5a): (I gave to you the Torah in order that you will not die any more.) Since you sinned (made the golden calf), like Adam ha'Rishon, you will die, like him.
Refer to 82:7:2:1.
Radak: (I said "Elokim Atem" (verse 6).) However, I see your deeds - they ruined the level of your Neshamos. When you will die, you will die like a regular person; your Neshamos will die with the body, and not rise with Bnei Elyon.
What do we learn from "uch'Achad ha'Sarim Tipolu"?
Avos d'R. Nasan (addition 2 to Nusach 1, Perek 9): After Iyov accepted all his afflictions, Hashem rebuked the Satan (who had said that amidst afflictions, Iyov would curse Hashem), and cast him from Shamayim - "Achen k'Adam Temusun uch'Achad ha'Sarim Tipolu."
Rashi: Just like the early officers died, so will you.
Rashi citing a Midrash: Like one of the officers above (you will fall) - "Yifkod Hashem Al Tzeva ha'Marom ba'Marom" (Yeshayah 24:21).
Radak: Like the officers who judge and lead people based on their pride and grandeur, and disgrace lowly people and oppress them - so you will fall when you die, for you go in their ways.
Malbim: After you reversed Mishpat to wormwood, only in this you will resemble the upper beings - you will fall like one of the upper officers. It will be as if you fell from Shamayim to Aretz. The fall will be great according to the level from which he fell.