"slowly please,I am in a hurry"

God tells Moshe how the Jewish people should eat the #pesach sacrifice while still in Egypt
ככה תאכלו אותו מתניכם חגורים… ואכלתם אותו בחיפזון
This verse has two very unique words that are not found directly in any other biblical command and seem contradictory.

The word which means to do it ככה precisely" like this "and then the command to do it fast בחיפזון.

Why is this the only commandment with these unique features and how can I do something precisely when I am in such a rush?

This reminds me of when I was a new driver and once drove my grandfather home. I was speeding as most new drivers would, and he told me this sentence which didn't make sense to me at the time "drive slowly I am in a rush."

The Jews were in Egypt for over 200 years and if they stayed there any longer they would have been entirely taken over by the slave mentality, and there would be no nation to take out, so God had to give them a small commandment to elevate them somewhat, but they had to get out ASAP, so they are not lost.
The danger of doing things "בחיפזון" quickly is that most people lose consciousness and forget about the exact details and do it right.
How many times did we have to rush into the office to be on time for a meeting only to realize o that we forgot the most important documents at home?

The trick to get things done fast is giving full focus and then shooting like someone hitting a golf ball if he gives his full attention first then we hit hard the ball will land in the hole.

That is why God had to tell them in this commandment even though you should be doing it in a rush you must use your most special focus to get it done precisely right. As the Bal Shem Tov says ככה "exactly like this" is the highest level of awareness and consciousness we can achieve and that is the only way to get something done fast without losing anything.