אַתָּ֤ה דִכִּ֣אתָ כֶחָלָ֣ל רָ֑הַב בִּזְר֥וֹעַ עֻ֝זְּךָ֗ פִּזַּ֥רְתָּ אוֹיְבֶֽיךָ׃
Thou didst crush Rahab, as one that is slain; Thou didst scattered Thine enemies with the arm of Thy strength.
Read midrashic interpretation of Psalms 89:11: and classical rabbinic exegesis.