What's an antonym for 'instantaneously'?

@ploser (141)
Indonesia
April 15, 2008 3:03am CST
I mean 'instantaneously' as in 'for an infinitely small period of time'. Eg 'when you throw a ball in the air it decelarates untily it is, instantaneously, motionless'.
2 responses
• Philippines
15 Apr 08
The antonym for instantaneous should be gradual. or gradually. "When you throw a ball in the air it decelarates gradually, until it is, motionless" ^_^
• Philippines
15 Apr 08
a split second?