Is it gan3 ding3 she is saying in this sentence? Audio clip https://soundcloud.com/menevets/chinesepod-museum-clip

Around 3 seconds in, it sounds like gan3 ding3, but I can't figure out what it means. I think gan3 is 感. Could ding3 be 顶?

na4 wo3 men jiu4 gan3 ding2 xu4 yu4 zhe4 ge bu3 wu3 guan3 ma.

那我们就 [? ? ] [絮语?] 这个博物馆吗.

I'm pretty sure the gist of the sentence is now let's [something something] this musesum
那我们就 赶紧 去这个博物馆吧！ （Nà wǒmen gǎnjǐn qù zhège bówùguǎn ba） - We should quickly go to the museum now.

赶 gǎn：to catch up; to overtake; to hurry; to rush; to drive away

紧 jǐn：tight; strict; close at hand; near; urgent; tense; hard up; short of money; to tighten

赶紧：hurriedly; without delay